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16603: Quantiferon®-TB Gold,(Draw Site Incubated) Print View
QuantiFERON(R)TB,Incubated IA  Negative   
Nil IA    IU/mL 
Mitogen-Nil IA    IU/mL 
TB Ag-Nil IA    IU/mL 

PRIMARY
1 QTF-NIL Control Tube WB 1 (0.8) mL   Room Temperature - 72 Hour(s)/Refrigerated - 72 Hour(s)  
2 QFT-TB Antigen Tube WB 1 (0.8) mL   Refrigerated - 72 Hour(s)/Room Temperature - 72 Hour(s)  
3 QFT-Mitogen Control WB 1 (0.8) mL   Room Temperature - 72 Hour(s)/Refrigerated - 72 Hour(s)  
ALTERNATE
  QTF-NIL Control Tube PL   Refrigerated - 28 Day(s)/Room Temperature - 72 Hour(s)  
  QFT-TB Antigen Tube PL   Refrigerated - 28 Day(s)/Room Temperature - 72 Hour(s)  
  QFT-Mitogen Control PL   Room Temperature - 72 Hour(s)/Refrigerated - 28 Day(s)  

QuantiFERON(R)-TB Gold IT is an indirect test for M. tuberculosis infection (including disease) and is intended for use in conjunction with the risk assessment, radiography and other medical and diagnostic evaluations.

1. For each patient, collect 1 mL of blood by venipuncture
directly into each of the three (3) unique QuantiFERON(R) - TB
Gold IT blood collection tubes. Tubes must be at room temperature
prior to collection. Under or overfilling of the tubes may lead
to erroneous results.
2. Shake them ten (10) times just firmly enough to ensure the
entire surface of the tube is coated with blood, to solubilize
antigens on tube walls.
3. Incubate the three (3) tubes upright at 36-38 degrees C
within 16 hours for 16 to 24 hours. The specimen rack should sit
off the floor of the incubator. If the blood is not incubated
immediately after collection, remixing of the tubes by inverting
10 times must be repeated immediately prior to incubation.
4. Following incubation either:
A. Immediately transport the three (3) transport tubes to Quest
Diagnostics between 4 and 27 degrees C. Samples will be
stable for 72 hours at 4-27 degrees C (room temperature or
refrigerated).
OR
B. Centrifuge each of the three (3) incubated collection tubes
for 15 minutes at 2000 to 3000 RCF (g). Label with patient
name, identification number, and date of collection. Deliver to
Quest Diagnostics at 2-8 degrees C. Samples will be stable for 28
days at 2-8 degrees C (refrigerated).

Note:
Specimen collection locations >3350 feet above sea level should use
the Quantiferon collection kit designed for "High Altitude" (tubes
with a gold ring on tube top).
Setup Schedule
Sunday-Saturday

Reported (Analytical Time)
Same day

CPT Code
86480

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes
Preferred Specimens: QTF-Nil control (gray cap, white or gold ring) tube; QFT-TB antigen (red cap, white or gold ring) tube; QFT-Mitogen control (purple cap, white or gold ring) tube Specimen Stability: Uncentrifuged specimens Room temperature: 72 hours Refrigerated: 72 hours Frozen: Unacceptable Reject Criteria: Received >72 hours (room temperature); received frozen; specimen not collected in QuantiFERON(R) Gold IT blood collection tubes Remove: >72 hours (pre-incubated) Transport Temperature: See instructions






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